The Number of Students Per Classroom in a Mid-Size College

Multiple Choice

The number of students per classroom in a mid-size college is a random variable whose distribution is normal with mean 34 students and standard deviation 4 students. You intend to visit twenty five classrooms, what is the probability that the average number of students per room will be greater than 35.3 students?

A) 0.9484
B) 0.0516
C) 0.9485
D) 0.0515